Jigokune Luka

Appearance
Jigokune's appearance is very identical to Luka's, except she has black hair, red eyes and wears a black headset which completely blends in with her hair, almost making it impossible to notice.

YouTube

 * https://www.youtube.com/watch?v=FqHoH9PnKQ4

Trivia

 * Her design and appearance is based on Zatsune Miku
 * Her hair was originally short
 * She cannot die after eating pufferfish sushi.
 * Jigokune has a meaning:
 * Jigoku (地獄) means hell
 * Ne (音) means sound